—Whyisthechemicalplantclosed?—

— Why is the chemical plant closed?
— Because large quantities of waste water ______ into the Yangtze River.

A．has been released

B．is being released

C．was released

D．have been released

登录免费查看答案和解析

相关试题

One-third of the country___covered with trees and the majority of the citizens___black people

A．is;are

B．is;is

C．are;are

D．are;is

收藏答案/解析

You can’t predict everthing.Often things don’t ___ as you expect

A．run out

B．break out

C．work out

D．put out

收藏答案/解析

The government has taken measures to___the high prices of daily goods to keep the market stable

A．take down

B．bring down

C．hand down

D．tear down

收藏答案/解析

The state-run company is required to make its accounts as___as possible for its staff to monitor the use of money

A．transparent

B．reasonable

C．secure

D．formal

收藏答案/解析

Experiments of this kind___in both the U.S. and Europe well before the Second World War

A．have conducted

B．have been conducted

C．had conducted

D．had been conducted

收藏答案/解析

推荐套卷

热门套卷